diff --git a/addons/project_long_term/test/test_schedule_phases_case1.yml b/addons/project_long_term/test/test_schedule_phases_case1.yml
index ef8d0410439..76f134afb57 100644
--- a/addons/project_long_term/test/test_schedule_phases_case1.yml
+++ b/addons/project_long_term/test/test_schedule_phases_case1.yml
@@ -65,10 +65,12 @@
     start = (datetime.date.today()).strftime('%Y-%m-%d')
     end = (datetime.date.today() + relativedelta(days=1)).strftime('%Y-%m-%d 17:00:00')
     first_phase = self.browse(cr, uid, ref('project_phase_firstphase0_case1'))
-    assert (first_phase.date_start[:10] == start),'Start dates are wrong: %s != %s !' % (first_phase.date_start, start)
+    assert (first_phase.date_start[:10] == start),'Start dates are wrong: %s != %s !' % (first_phase.date_start[:10], start)
     assert (first_phase.date_end >= end),'End dates are wrong: %s <%s!' % (first_phase.date_end, end)
 
     second_phase = self.browse(cr, uid, ref('project_phase_secondphase0_case2'))
     start = first_phase.date_end
     end = (datetime.date.today() + relativedelta(days=5)).strftime('%Y-%m-%d')
-    assert (second_phase.date_start >= start and second_phase.date_end >= end),'Dates are wrong on second phase!'
+    assert second_phase.date_start >= start, 'Dates are wrong on second phase: %s < %s!' % (second_phase.date_start, start)
+    assert second_phase.date_end >= end, 'Dates are wrong on second phase %s < %s!' % (second_phase.date_end, end)
+